list1 = [1,2,3,4,5]
for i in  range(len(list1)):
    print(list1[i],end=' ')
print()
print('--------------------------------------------------------------------')
for i in list1:
    print(i,end=' ')
print()
print('====================================================================')
list1.append(6)
print(list1)

list2 = [8,9]
list1.extend(list2)
print(list1,list2)
list1.insert(2,66)
print(list1)
list1.sort()
print(list1)
list1.reverse()
list1.sort(reverse=True)

list3=[12,46,23,5,89,15]
list4 = sorted(list3)
print(list3)
print(list4)

num=list4.pop()
print(num)
print(list4)

set1 = {1,2,3,4,5}
for i in set1:
    print(i,end=' ')
print()

dict1 = {'name':'zhangsan','age':18}
dict1['sex'] = 'male'  #add
dict1['age'] = '19'    #update
for k in dict1:
    print(k,end=' ')
print()
for k,v in dict1.items():
    print(k,v)